ホーム › Security.Cryptography › CertEnumCertificateContextProperties

CertEnumCertificateContextProperties

関数

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DLLCRYPT32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// CRYPT32.dll
#include <windows.h>

DWORD CertEnumCertificateContextProperties(
    const CERT_CONTEXT* pCertContext,
    DWORD dwPropId
);

パラメーター

名前	型	方向
pCertContext	CERT_CONTEXT*	in
dwPropId	DWORD	in

戻り値の型: DWORD

各言語での呼び出し定義

// CRYPT32.dll
#include <windows.h>

DWORD CertEnumCertificateContextProperties(
    const CERT_CONTEXT* pCertContext,
    DWORD dwPropId
);

[DllImport("CRYPT32.dll", ExactSpelling = true)]
static extern uint CertEnumCertificateContextProperties(
    IntPtr pCertContext,   // CERT_CONTEXT*
    uint dwPropId   // DWORD
);

<DllImport("CRYPT32.dll", ExactSpelling:=True)>
Public Shared Function CertEnumCertificateContextProperties(
    pCertContext As IntPtr,   ' CERT_CONTEXT*
    dwPropId As UInteger   ' DWORD
) As UInteger
End Function

' pCertContext : CERT_CONTEXT*
' dwPropId : DWORD
Declare PtrSafe Function CertEnumCertificateContextProperties Lib "crypt32" ( _
    ByVal pCertContext As LongPtr, _
    ByVal dwPropId As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertEnumCertificateContextProperties = ctypes.windll.crypt32.CertEnumCertificateContextProperties
CertEnumCertificateContextProperties.restype = wintypes.DWORD
CertEnumCertificateContextProperties.argtypes = [
    ctypes.c_void_p,  # pCertContext : CERT_CONTEXT*
    wintypes.DWORD,  # dwPropId : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertEnumCertificateContextProperties = Fiddle::Function.new(
  lib['CertEnumCertificateContextProperties'],
  [
    Fiddle::TYPE_VOIDP,  # pCertContext : CERT_CONTEXT*
    -Fiddle::TYPE_INT,  # dwPropId : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertEnumCertificateContextProperties(
        pCertContext: *const CERT_CONTEXT,  // CERT_CONTEXT*
        dwPropId: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll")]
public static extern uint CertEnumCertificateContextProperties(IntPtr pCertContext, uint dwPropId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertEnumCertificateContextProperties' -Namespace Win32 -PassThru
# $api::CertEnumCertificateContextProperties(pCertContext, dwPropId)

#uselib "CRYPT32.dll"
#func global CertEnumCertificateContextProperties "CertEnumCertificateContextProperties" sptr, sptr
; CertEnumCertificateContextProperties varptr(pCertContext), dwPropId   ; 戻り値は stat
; pCertContext : CERT_CONTEXT* -> "sptr"
; dwPropId : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "CRYPT32.dll"
#cfunc global CertEnumCertificateContextProperties "CertEnumCertificateContextProperties" var, int
; res = CertEnumCertificateContextProperties(pCertContext, dwPropId)
; pCertContext : CERT_CONTEXT* -> "var"
; dwPropId : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "CRYPT32.dll"
#cfunc global CertEnumCertificateContextProperties "CertEnumCertificateContextProperties" sptr, int
; res = CertEnumCertificateContextProperties(varptr(pCertContext), dwPropId)
; pCertContext : CERT_CONTEXT* -> "sptr"
; dwPropId : DWORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD CertEnumCertificateContextProperties(CERT_CONTEXT* pCertContext, DWORD dwPropId)
#uselib "CRYPT32.dll"
#cfunc global CertEnumCertificateContextProperties "CertEnumCertificateContextProperties" var, int
; res = CertEnumCertificateContextProperties(pCertContext, dwPropId)
; pCertContext : CERT_CONTEXT* -> "var"
; dwPropId : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD CertEnumCertificateContextProperties(CERT_CONTEXT* pCertContext, DWORD dwPropId)
#uselib "CRYPT32.dll"
#cfunc global CertEnumCertificateContextProperties "CertEnumCertificateContextProperties" intptr, int
; res = CertEnumCertificateContextProperties(varptr(pCertContext), dwPropId)
; pCertContext : CERT_CONTEXT* -> "intptr"
; dwPropId : DWORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertEnumCertificateContextProperties = crypt32.NewProc("CertEnumCertificateContextProperties")
)

// pCertContext (CERT_CONTEXT*), dwPropId (DWORD)
r1, _, err := procCertEnumCertificateContextProperties.Call(
	uintptr(pCertContext),
	uintptr(dwPropId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function CertEnumCertificateContextProperties(
  pCertContext: Pointer;   // CERT_CONTEXT*
  dwPropId: DWORD   // DWORD
): DWORD; stdcall;
  external 'CRYPT32.dll' name 'CertEnumCertificateContextProperties';

result := DllCall("CRYPT32\CertEnumCertificateContextProperties"
    , "Ptr", pCertContext   ; CERT_CONTEXT*
    , "UInt", dwPropId   ; DWORD
    , "UInt")   ; return: DWORD

●CertEnumCertificateContextProperties(pCertContext, dwPropId) = DLL("CRYPT32.dll", "dword CertEnumCertificateContextProperties(void*, dword)")
# 呼び出し: CertEnumCertificateContextProperties(pCertContext, dwPropId)
# pCertContext : CERT_CONTEXT* -> "void*"
# dwPropId : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。